标准库标头 <source_location> (C++20)

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C++
 
标准库头
通用工具
<any> (C++17)
<bitset>
<bit> (C++20)
<charconv> (C++17)
<expected> (C++23)
<format> (C++20)
<functional>
<optional> (C++17)
<stdbit.h> (C++26)
<tuple> (C++11)
<typeindex> (C++11)
<utility>
<variant> (C++17)
容器
<array> (C++11)
<deque>
<flat_map> (C++23)
<flat_set> (C++23)
<forward_list> (C++11)
<hive> (C++26)
<inplace_vector> (C++26)   
<list>
<map>
<mdspan> (C++23)
<queue>
<set>
<span> (C++20)
<stack>
<unordered_map> (C++11)
<unordered_set> (C++11)
<vector>
迭代器
<iterator>
范围
<generator> (C++23)
<ranges> (C++20)
 

此头文件是工具库的一部分。

类

(C++20)
 表示关于源代码的信息（例如文件名、行号以及函数名）的类
(类) [编辑]

概要

namespace std {
  struct source_location;
}

类 std::source_location

namespace std {
  struct source_location {
    // source_location  构造
    static consteval source_location current() noexcept;
    constexpr source_location() noexcept;

    // source_location 域访问
    constexpr uint_least32_t line() const noexcept;
    constexpr uint_least32_t column() const noexcept;
    constexpr const char* file_name() const noexcept;
    constexpr const char* function_name() const noexcept;

  private:
    uint_least32_t line_;               // 仅为阐释
    uint_least32_t column_;             // 仅为阐释
    const char* file_name_;             // 仅为阐释
    const char* function_name_;         // 仅为阐释
  };
}